メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.626499658468 35.360140795131, 136.626223796053 35.3601418146833, 136.626081805883 35.3601451932623, 136.625722357873 35.3601431108048, 136.625726773681 35.3599865572159, 136.625360128673 35.3599936195907, 136.625341959529 35.3598301907558, 136.625246528474 35.3591358209239, 136.626372925789 35.3591564269037, 136.626461936207 35.3598479505492, 136.626499658468 35.360140795131)) ^^http://www.opengis.net/ont/geosparql#wktLiteral